But, the unknown part was of course that any of this was going on between them. They were brother and sister, and it couldn't be known by anybody that...this brother and sister pair were some of the hottest and horniest lovers in town. It just could not be known by anyone -- not even a closest friend. They both knew that and both of them kept their mouths shut about the sexual relationship they enjoyed for three years with each other. Neither of them wanted to lose what they enjoyed in bed. Then they all had to step on a bathroom scale. Then they had tostand against the part of the wall that was marked off.? Jill was still waiting her turn as the firstgirl was pointed to the doctor. He made her hop onto the table and ran hishands from head to toe over her body. The girl was obviously very ashamed. Heused the stethoscope on her and then kind of played around a bit with her legs,apparently to test her joints. Next Jill saw the girl do some arm exercises.Then the doctor lifted the. Freddie then surprised her by doing what he had always wanted to do:kissing Sam full on the lips, Sam had no clue how to react as she suddenly felt really warm and relaxed, she then started kissing him back frantically and tore off his shirt. Carly was completely taken aback by watching her best friends making out and just stared at them intently. Freddie took things even further by removing Sam's shirt, revealing to his surprise that she wasn't wearing a bra, he stared open mouthed at her nice. I’m not sure…” “Oh come on it will be fun,” Kirsty hit back. “And besides you never know you might win!” She knew that the brunette was too turned on to back out now. She knew she had her exactly where she wanted. Kirsty flipped the coin for the first time and punched the air as it landed on tails. However the next two times it landed on heads. “See I told you you might win,” she said to her naked friend as they both sat there nervously in anticipation. Kirsty flipped the coin for a fourth.